42-339-30702
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,665 ft
First Permit
1985-01-23
Latest Activity
1985-01-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-07-29
Shut-In
—
Plugged
2018-03-29
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON CORP.
Resolved via: production → HIGHMARK ENERGY OPERATING, LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
25,000 bbl/d
Max Pressure
1,000 psi
Injection Interval
2,860–4,400 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2018-03-01)
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 177 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 2ND UPPER COCKFIELD | 4,864 ft | -4,687 ft |
| 1 MAIN SAND | 5,018 ft | -4,841 ft |
| 1 MAIN SD. (1M-2) | 5,018 ft | -4,841 ft |
| 2 A SAND | 5,052 ft | -4,875 ft |
| 2 A SD. (2 A-1) | 5,052 ft | -4,875 ft |
| 2 B2 SAND | 5,078 ft | -4,901 ft |
| 2 B. SD. | 5,078 ft | -4,901 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (3)
| Interval | Type |
|---|---|
| 3,260–3,290 ft | Perforated |
| 5,054–5,060 ft | Perforated |
| 5,081–5,087 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,646 ft | 1,120 sx |
| 7" | 5,190 ft | 595 sx |
| 7" | — | 275 sx |
Permit History (1)
Applications (2)
Records & Logs
5 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1018
- Max Depth
- 5,665 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1986-07-29
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-09)
- Cum Oil (all leases)
- 4,551,977 bbl
- Cum Gas (all leases)
- 30,465,409 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 15